@misc{indiciae68859c69cd3a,
  title = {Tumor-specific immune mechanisms.},
  author = {R T Smith},
  year = {1968},
  doi = {10.1056/nejm196806132782406},
  url = {https://pubmed.ncbi.nlm.nih.gov/4869875/},
  note = {Source identifier: 4869875}
}